:root{--text:#172033;--muted:#64748b;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--border-strong:#cbd5e1;--brand:#2563eb;--brand-dark:#1d4ed8;--shadow:0 1px 2px #0f172a0d;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,textarea,select{font:inherit}button,select{min-height:40px}button{border:1px solid var(--border-strong);color:var(--text);background:var(--surface);cursor:pointer;border-radius:8px;padding:0 14px;font-size:14px;font-weight:700;line-height:1}button:hover,.file-button:hover{border-color:var(--brand)}button.primary:hover{border-color:var(--brand-dark);background:var(--brand-dark)}button:disabled{cursor:not-allowed;opacity:.52}input,textarea,select{border:1px solid var(--border-strong);width:100%;color:var(--text);background:#fff;border-radius:8px;padding:10px 12px}textarea{resize:vertical;min-height:84px}label{gap:7px;display:grid}label>span{color:var(--muted);font-size:14px;font-weight:700}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:8px;font-size:38px;line-height:1.05}h2{letter-spacing:0;margin-bottom:8px;font-size:20px;line-height:1.2}h3{letter-spacing:0;margin-bottom:8px;font-size:17px;line-height:1.35}p{margin-bottom:0}@media (width<=760px){h1{font-size:30px;line-height:1.1}}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.file-button:focus-within{outline-offset:2px;outline:3px solid #2563eb3d}.app-shell{box-sizing:border-box;width:min(1080px,100%);min-height:100svh;margin:0 auto;padding:24px 24px 44px}.app-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.brand-button{color:inherit;text-align:left;background:0 0;border:0;align-items:center;gap:12px;padding:0;display:inline-flex}.brand-button:hover{border-color:#0000}.brand-button strong,.brand-button small{display:block}.brand-button small{color:var(--muted);margin-top:2px;font-size:13px}.brand-mark{color:#fff;background:var(--brand);border-radius:8px;place-items:center;width:36px;height:36px;font-weight:800;display:grid}.header-actions{flex:none;align-items:center;gap:10px;display:flex}.subtle-action{color:var(--muted);border-color:var(--border);background:0 0}.subtle-action:hover{color:var(--text);border-color:var(--border-strong)}.screen{gap:20px;display:grid}.screen-heading{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.eyebrow{color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px;font-size:13px;font-weight:700}.subtle,.meta-line,.status-text{color:var(--muted)}.status-stack{z-index:20;gap:8px;width:min(420px,100vw - 32px);display:grid;position:fixed;top:16px;right:16px}.notice,.error,.field-error{border-radius:8px;margin:0;padding:10px 12px}.notice,.error{border:1px solid #0000;justify-content:space-between;align-items:center;gap:12px;display:flex;box-shadow:0 10px 24px #0f172a1f}.notice p,.error p{margin:0}.notice button,.error button{background:#fff9;border-color:#0000;min-height:30px;padding:0 10px;font-size:13px}.notice{color:#14532d;background:#dcfce7;border-color:#bbf7d0}.error{color:#991b1b;background:#fee2e2;border-color:#fecaca}.field-error{color:#991b1b;background:#fee2e2}.empty-actions,.action-row,.row-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.action-row,.row-actions{justify-content:flex-start}.deck-actions{justify-content:flex-end}.home-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;display:grid}.home-actions button,.home-actions .file-button{width:100%}.primary-actions{gap:12px}.deck-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;display:grid}.deck-card,.form-panel,.utility-panel,.question-row,.result-box{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.deck-card{text-align:left;align-content:space-between;gap:14px;padding:16px;transition:border-color .2s,box-shadow .2s,transform .2s;display:grid;position:relative}.deck-card-clickable:hover{border-color:var(--brand);transform:translateY(-1px);box-shadow:0 8px 20px #0f172a14}.deck-card-clickable:focus-within{outline-offset:2px;outline:3px solid #2563eb3d}.deck-card-hit{z-index:1;border-radius:inherit;background:0 0;border:0;width:100%;height:100%;min-height:0;padding:0;position:absolute;inset:0}.deck-card-hit:hover,.deck-card-hit:focus-visible{border-color:#0000;outline:none}.deck-card h2,.deck-card p{z-index:0;position:relative}.form-panel{gap:14px;max-width:680px;padding:16px;display:grid}.form-panel.wide{max-width:none}.utility-panel{justify-content:space-between;align-items:center;gap:16px;padding:16px;display:flex}.utility-drawer{gap:12px;display:grid}.stats-summary{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.stats-summary>div{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;gap:4px;padding:14px;display:grid}.stats-summary strong{color:var(--text);font-size:28px;line-height:1}.stats-summary span{color:var(--muted);font-size:13px;font-weight:700}.content-section{gap:14px;display:grid}.section-title{justify-content:space-between;align-items:center;gap:14px;display:flex}.section-title.compact{margin-top:4px}.question-list{gap:10px;display:grid}.question-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:13px 15px;display:grid}.question-row>div:first-child{min-width:0}.question-index{color:var(--muted);margin:0 0 4px;font-size:13px}.question-row-side{justify-items:end;gap:8px;display:grid}.question-meta{text-align:right;white-space:nowrap}.empty-note{border:1px dashed var(--border-strong);color:var(--muted);background:var(--surface);border-radius:8px;margin:0;padding:18px}.option-editor,.answer-list{gap:10px;display:grid}.option-edit-row{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;display:grid}.checkbox-label,.inline-field{align-items:center;gap:8px;display:inline-flex}.checkbox-label{color:var(--text);font-size:14px;font-weight:700}.checkbox-label input,.option-edit-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--brand);flex:none}.answer-list{width:min(680px,100%);margin:0 auto}.answer-option{border:1px solid var(--border);background:var(--surface);text-align:center;cursor:pointer;border-radius:8px;place-items:center;min-height:54px;padding:14px 18px;transition:border-color .2s,background-color .2s,box-shadow .2s;display:grid;position:relative}.answer-option:hover{border-color:var(--brand)}.answer-option input{z-index:2;opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.answer-option span{z-index:1;overflow-wrap:anywhere;min-width:0;font-weight:700;position:relative}.answer-option.selected{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand);background:#dbeafe}.answer-option.correct{background:#dcfce7;border-color:#16a34a}.answer-option.incorrect{background:#fee2e2;border-color:#dc2626}.answer-option.muted{opacity:.68}.result-box{gap:8px;padding:14px 16px;display:grid}.result-box.success{border-color:#16a34a}.result-box.failure{border-color:#dc2626}.form-actions{justify-content:flex-start;display:flex}.icon-button{place-items:center;width:40px;min-width:40px;height:40px;min-height:40px;padding:0;font-size:22px;line-height:1;display:inline-grid}.add-button{flex:none}.remove-option-button{color:#991b1b}.file-button{border:1px solid var(--border-strong);min-height:40px;color:var(--text);background:var(--surface);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:0 14px;font-size:14px;font-weight:700;display:inline-flex;position:relative}.file-button input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.primary{color:#fff;border-color:var(--brand);background:var(--brand)}.danger{color:#991b1b}.practice-screen h1{max-width:850px}.practice-screen .screen-heading{text-align:center;justify-content:center}.practice-screen .screen-heading>div{width:100%}.practice-screen h1{margin-inline:auto}.practice-screen .action-row{justify-content:center}.practice-screen .action-row .primary{min-width:180px}.practice-screen .result-box{text-align:center;width:min(680px,100%);margin:0 auto}@media (width<=760px){.app-shell{padding:16px 14px 36px}.app-header{margin-bottom:18px}.status-stack{width:calc(100vw - 28px);top:auto;bottom:14px;right:14px}.screen-heading,.utility-panel{flex-direction:column;align-items:stretch}.screen-heading .action-row,.utility-panel .action-row{width:100%}.deck-actions{grid-template-columns:repeat(2,minmax(0,1fr));justify-content:stretch;gap:10px;display:grid}.deck-actions .primary{grid-column:1/-1;width:100%}.deck-actions button:not(.primary){width:100%}.stats-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.question-row{grid-template-columns:minmax(0,1fr);align-items:start}.question-row-side{justify-content:space-between;align-items:center;gap:10px;display:flex}.question-meta{text-align:left;white-space:normal}.option-edit-row{grid-template-columns:auto minmax(0,1fr) auto}.row-actions{flex-wrap:nowrap;justify-content:flex-end}.primary-actions button,.primary-actions .file-button{width:100%}}@media (width<=480px){.home-actions{grid-template-columns:1fr}}